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## org.springframework.jmx.export.metadata
Class AttributesJmxAttributeSource

    java.lang.Object
      org.springframework.jmx.export.metadata.AttributesJmxAttributeSource

All Implemented Interfaces:
  InitializingBean, JmxAttributeSource

    public class AttributesJmxAttributeSource

extends Object
implements JmxAttributeSource, InitializingBean

Implementation of the `JmxAttributeSource` interface that reads metadata via Spring's `Attributes` abstraction.

Typically used for reading in source-level attributes via Commons Attributes.

Since:
  1.2
Author:
  Rob Harrop
See Also:
  `Attributes`, `CommonsAttributes`

Constructor Summary
`AttributesJmxAttributeSource()` Create a new AttributesJmxAttributeSource.
`AttributesJmxAttributeSource(Attributes attributes)` Create a new AttributesJmxAttributeSource.

Method Summary
`void` | `afterPropertiesSet()` Invoked by a BeanFactory after it has set all bean properties supplied (and satisfied BeanFactoryAware and ApplicationContextAware).
`ManagedAttribute` | `getManagedAttribute(Method method)` If the specified method has a `ManagedAttribute` attribute, then it is returned.
`ManagedNotification[]` | `getManagedNotifications(Class clazz)` If the specified has `ManagedNotification` attributes these are returned, otherwise a zero-length array is returned.
`ManagedOperation` | `getManagedOperation(Method method)` If the specified method has a `ManagedOperation` attribute, then it is returned.
`ManagedOperationParameter[]` | `getManagedOperationParameters(Method method)` If the specified method has `ManagedOperationParameter` attributes, then these are returned, otherwise a zero length array is returned.
`ManagedResource` | `getManagedResource(Class clazz)` If the specified class has a `ManagedResource` attribute, then it is returned.
`void` | `setAttributes(Attributes attributes)` Set the Attributes implementation to use.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### AttributesJmxAttributeSource

    public AttributesJmxAttributeSource()

  Create a new AttributesJmxAttributeSource.

  See Also:
    `setAttributes(org.springframework.metadata.Attributes)`

### AttributesJmxAttributeSource

    public AttributesJmxAttributeSource(Attributes attributes)

  Create a new AttributesJmxAttributeSource.

  Parameters:
    `attributes` - the Attributes implementation to use
  See Also:
    `CommonsAttributes`

Method Detail

### setAttributes

    public void setAttributes(Attributes attributes)

  Set the Attributes implementation to use.

  See Also:
    `CommonsAttributes`

### afterPropertiesSet

    public void afterPropertiesSet()

  Description copied from interface: `InitializingBean`
  Invoked by a BeanFactory after it has set all bean properties supplied (and satisfied BeanFactoryAware and ApplicationContextAware).

  This method allows the bean instance to perform initialization only possible when all bean properties have been set and to throw an exception in the event of misconfiguration.

  Specified by:
    `afterPropertiesSet` in interface `InitializingBean`

### getManagedResource

    public ManagedResource getManagedResource(Class clazz)

  If the specified class has a `ManagedResource` attribute, then it is returned. Otherwise returns null.

  Specified by:
    `getManagedResource` in interface `JmxAttributeSource`
  Parameters:
    `clazz` - the class to read the attribute data from
  Returns:
    the attribute, or `null` if not found
  Throws:
    `InvalidMetadataException` - if more than one attribute exists

### getManagedAttribute

    public ManagedAttribute getManagedAttribute(Method method)
                                         throws InvalidMetadataException

  If the specified method has a `ManagedAttribute` attribute, then it is returned. Otherwise returns null.

  Specified by:
    `getManagedAttribute` in interface `JmxAttributeSource`
  Parameters:
    `method` - the method to read the attribute data from
  Returns:
    the attribute, or `null` if not found
  Throws:
    `InvalidMetadataException` - if more than one attribute exists, or if the supplied method does not represent a JavaBean property

### getManagedOperation

    public ManagedOperation getManagedOperation(Method method)

  If the specified method has a `ManagedOperation` attribute, then it is returned. Otherwise return null.

  Specified by:
    `getManagedOperation` in interface `JmxAttributeSource`
  Parameters:
    `method` - the method to read the attribute data from
  Returns:
    the attribute, or `null` if not found
  Throws:
    `InvalidMetadataException` - if more than one attribute exists, or if the supplied method represents a JavaBean property

### getManagedOperationParameters

    public ManagedOperationParameter[] getManagedOperationParameters(Method method)
                                                              throws InvalidMetadataException

  If the specified method has `ManagedOperationParameter` attributes, then these are returned, otherwise a zero length array is returned.

  Specified by:
    `getManagedOperationParameters` in interface `JmxAttributeSource`
  Parameters:
    `method` - the method to get the managed operation parameters for
  Returns:
    the array of ManagedOperationParameter objects
  Throws:
    `InvalidMetadataException` - if the number of ManagedOperationParameter attributes does not match the number of parameters in the method

### getManagedNotifications

    public ManagedNotification[] getManagedNotifications(Class clazz)

  If the specified has `ManagedNotification` attributes these are returned, otherwise a zero-length array is returned.

  Specified by:
    `getManagedNotifications` in interface `JmxAttributeSource`
  Parameters:
    `clazz` - the `Class` to read the metadata from
  Returns:
    the notification information

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